bus.h revision 1.20.16.1
1 /* $NetBSD: bus.h,v 1.20.16.1 2006/09/12 10:56:46 tron Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (C) 1997 Scott Reynolds. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. The name of the author may not be used to endorse or promote products 52 * derived from this software without specific prior written permission 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #ifndef _MAC68K_BUS_H_ 67 #define _MAC68K_BUS_H_ 68 69 /* 70 * Value for the mac68k bus space tag, not to be used directly by MI code. 71 */ 72 #define MAC68K_BUS_SPACE_MEM 0 /* space is mem space */ 73 74 #define __BUS_SPACE_HAS_STREAM_METHODS 1 75 76 /* 77 * Bus address and size types 78 */ 79 typedef u_long bus_addr_t; 80 typedef u_long bus_size_t; 81 82 /* 83 * Access methods for bus resources and address space. 84 */ 85 #define BSH_T struct bus_space_handle_s 86 typedef int bus_space_tag_t; 87 typedef struct bus_space_handle_s { 88 u_long base; 89 int swapped; 90 int stride; 91 92 u_int8_t (*bsr1) __P((bus_space_tag_t t, 93 BSH_T *h, bus_size_t o)); 94 u_int16_t (*bsr2) __P((bus_space_tag_t t, 95 BSH_T *h, bus_size_t o)); 96 u_int32_t (*bsr4) __P((bus_space_tag_t t, 97 BSH_T *h, bus_size_t o)); 98 u_int8_t (*bsrs1) __P((bus_space_tag_t t, 99 BSH_T *h, bus_size_t o)); 100 u_int16_t (*bsrs2) __P((bus_space_tag_t t, 101 BSH_T *h, bus_size_t o)); 102 u_int32_t (*bsrs4) __P((bus_space_tag_t t, 103 BSH_T *h, bus_size_t o)); 104 void (*bsrm1) __P((bus_space_tag_t t, BSH_T *h, 105 bus_size_t o, u_int8_t *a, size_t c)); 106 void (*bsrm2) __P((bus_space_tag_t t, BSH_T *h, 107 bus_size_t o, u_int16_t *a, size_t c)); 108 void (*bsrm4) __P((bus_space_tag_t t, BSH_T *h, 109 bus_size_t o, u_int32_t *a, size_t c)); 110 void (*bsrms1) __P((bus_space_tag_t t, BSH_T *h, 111 bus_size_t o, u_int8_t *a, size_t c)); 112 void (*bsrms2) __P((bus_space_tag_t t, BSH_T *h, 113 bus_size_t o, u_int16_t *a, size_t c)); 114 void (*bsrms4) __P((bus_space_tag_t t, BSH_T *h, 115 bus_size_t o, u_int32_t *a, size_t c)); 116 void (*bsrr1) __P((bus_space_tag_t t, BSH_T *h, 117 bus_size_t o, u_int8_t *a, size_t c)); 118 void (*bsrr2) __P((bus_space_tag_t t, BSH_T *h, 119 bus_size_t o, u_int16_t *a, size_t c)); 120 void (*bsrr4) __P((bus_space_tag_t t, BSH_T *h, 121 bus_size_t o, u_int32_t *a, size_t c)); 122 void (*bsrrs1) __P((bus_space_tag_t t, BSH_T *h, 123 bus_size_t o, u_int8_t *a, size_t c)); 124 void (*bsrrs2) __P((bus_space_tag_t t, BSH_T *h, 125 bus_size_t o, u_int16_t *a, size_t c)); 126 void (*bsrrs4) __P((bus_space_tag_t t, BSH_T *h, 127 bus_size_t o, u_int32_t *a, size_t c)); 128 void (*bsw1) __P((bus_space_tag_t t, BSH_T *h, 129 bus_size_t o, u_int8_t v)); 130 void (*bsw2) __P((bus_space_tag_t t, BSH_T *h, 131 bus_size_t o, u_int16_t v)); 132 void (*bsw4) __P((bus_space_tag_t t, BSH_T *h, 133 bus_size_t o, u_int32_t v)); 134 void (*bsws1) __P((bus_space_tag_t t, BSH_T *h, 135 bus_size_t o, u_int8_t v)); 136 void (*bsws2) __P((bus_space_tag_t t, BSH_T *h, 137 bus_size_t o, u_int16_t v)); 138 void (*bsws4) __P((bus_space_tag_t t, BSH_T *h, 139 bus_size_t o, u_int32_t v)); 140 void (*bswm1) __P((bus_space_tag_t t, BSH_T *h, 141 bus_size_t o, const u_int8_t *a, size_t c)); 142 void (*bswm2) __P((bus_space_tag_t t, BSH_T *h, 143 bus_size_t o, const u_int16_t *a, size_t c)); 144 void (*bswm4) __P((bus_space_tag_t t, BSH_T *h, 145 bus_size_t o, const u_int32_t *a, size_t c)); 146 void (*bswms1) __P((bus_space_tag_t t, BSH_T *h, 147 bus_size_t o, const u_int8_t *a, size_t c)); 148 void (*bswms2) __P((bus_space_tag_t t, BSH_T *h, 149 bus_size_t o, const u_int16_t *a, size_t c)); 150 void (*bswms4) __P((bus_space_tag_t t, BSH_T *h, 151 bus_size_t o, const u_int32_t *a, size_t c)); 152 void (*bswr1) __P((bus_space_tag_t t, BSH_T *h, 153 bus_size_t o, const u_int8_t *a, size_t c)); 154 void (*bswr2) __P((bus_space_tag_t t, BSH_T *h, 155 bus_size_t o, const u_int16_t *a, size_t c)); 156 void (*bswr4) __P((bus_space_tag_t t, BSH_T *h, 157 bus_size_t o, const u_int32_t *a, size_t c)); 158 void (*bswrs1) __P((bus_space_tag_t t, BSH_T *h, 159 bus_size_t o, const u_int8_t *a, size_t c)); 160 void (*bswrs2) __P((bus_space_tag_t t, BSH_T *h, 161 bus_size_t o, const u_int16_t *a, size_t c)); 162 void (*bswrs4) __P((bus_space_tag_t t, BSH_T *h, 163 bus_size_t o, const u_int32_t *a, size_t c)); 164 void (*bssm1) __P((bus_space_tag_t t, BSH_T *h, 165 bus_size_t o, u_int8_t v, size_t c)); 166 void (*bssm2) __P((bus_space_tag_t t, BSH_T *h, 167 bus_size_t o, u_int16_t v, size_t c)); 168 void (*bssm4) __P((bus_space_tag_t t, BSH_T *h, 169 bus_size_t o, u_int32_t v, size_t c)); 170 void (*bssr1) __P((bus_space_tag_t t, BSH_T *h, 171 bus_size_t o, u_int8_t v, size_t c)); 172 void (*bssr2) __P((bus_space_tag_t t, BSH_T *h, 173 bus_size_t o, u_int16_t v, size_t c)); 174 void (*bssr4) __P((bus_space_tag_t t, BSH_T *h, 175 bus_size_t o, u_int32_t v, size_t c)); 176 } bus_space_handle_t; 177 #undef BSH_T 178 179 void mac68k_bus_space_handle_swapped __P((bus_space_tag_t t, 180 bus_space_handle_t *h)); 181 void mac68k_bus_space_handle_set_stride __P((bus_space_tag_t t, 182 bus_space_handle_t *h, int stride)); 183 184 /* 185 * int bus_space_map __P((bus_space_tag_t t, bus_addr_t addr, 186 * bus_size_t size, int flags, bus_space_handle_t *bshp)); 187 * 188 * Map a region of bus space. 189 */ 190 191 #define BUS_SPACE_MAP_CACHEABLE 0x01 192 #define BUS_SPACE_MAP_LINEAR 0x02 193 #define BUS_SPACE_MAP_PREFETCHABLE 0x04 194 195 int bus_space_map __P((bus_space_tag_t, bus_addr_t, bus_size_t, 196 int, bus_space_handle_t *)); 197 198 /* 199 * void bus_space_unmap __P((bus_space_tag_t t, 200 * bus_space_handle_t bsh, bus_size_t size)); 201 * 202 * Unmap a region of bus space. 203 */ 204 205 void bus_space_unmap __P((bus_space_tag_t, bus_space_handle_t, bus_size_t)); 206 207 /* 208 * int bus_space_subregion __P((bus_space_tag_t t, 209 * bus_space_handle_t bsh, bus_size_t offset, bus_size_t size, 210 * bus_space_handle_t *nbshp)); 211 * 212 * Get a new handle for a subregion of an already-mapped area of bus space. 213 */ 214 215 int bus_space_subregion __P((bus_space_tag_t t, bus_space_handle_t bsh, 216 bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp)); 217 218 /* 219 * int bus_space_alloc __P((bus_space_tag_t t, bus_addr_t, rstart, 220 * bus_addr_t rend, bus_size_t size, bus_size_t align, 221 * bus_size_t boundary, int flags, bus_addr_t *addrp, 222 * bus_space_handle_t *bshp)); 223 * 224 * Allocate a region of bus space. 225 */ 226 227 int bus_space_alloc __P((bus_space_tag_t t, bus_addr_t rstart, 228 bus_addr_t rend, bus_size_t size, bus_size_t align, 229 bus_size_t boundary, int cacheable, bus_addr_t *addrp, 230 bus_space_handle_t *bshp)); 231 232 /* 233 * int bus_space_free __P((bus_space_tag_t t, 234 * bus_space_handle_t bsh, bus_size_t size)); 235 * 236 * Free a region of bus space. 237 */ 238 239 void bus_space_free __P((bus_space_tag_t t, bus_space_handle_t bsh, 240 bus_size_t size)); 241 242 /* 243 * int mac68k_bus_space_probe __P((bus_space_tag_t t, 244 * bus_space_handle_t bsh, bus_size_t offset, int sz)); 245 * 246 * Probe the bus at t/bsh/offset, using sz as the size of the load. 247 * 248 * This is a machine-dependent extension, and is not to be used by 249 * machine-independent code. 250 */ 251 252 int mac68k_bus_space_probe __P((bus_space_tag_t t, 253 bus_space_handle_t bsh, bus_size_t offset, int sz)); 254 255 /* 256 * u_intN_t bus_space_read_N __P((bus_space_tag_t tag, 257 * bus_space_handle_t bsh, bus_size_t offset)); 258 * 259 * Read a 1, 2, 4, or 8 byte quantity from bus space 260 * described by tag/handle/offset. 261 */ 262 263 u_int8_t mac68k_bsr1 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 264 bus_size_t offset)); 265 u_int8_t mac68k_bsr1_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 266 bus_size_t offset)); 267 u_int16_t mac68k_bsr2 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 268 bus_size_t offset)); 269 u_int16_t mac68k_bsr2_swap __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 270 bus_size_t offset)); 271 u_int16_t mac68k_bsr2_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 272 bus_size_t offset)); 273 u_int16_t mac68k_bsrs2_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 274 bus_size_t offset)); 275 u_int32_t mac68k_bsr4 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 276 bus_size_t offset)); 277 u_int32_t mac68k_bsr4_swap __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 278 bus_size_t offset)); 279 u_int32_t mac68k_bsr4_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 280 bus_size_t offset)); 281 u_int32_t mac68k_bsrs4_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 282 bus_size_t offset)); 283 284 #define bus_space_read_1(t,h,o) (h).bsr1((t), &(h), (o)) 285 #define bus_space_read_2(t,h,o) (h).bsr2((t), &(h), (o)) 286 #define bus_space_read_4(t,h,o) (h).bsr4((t), &(h), (o)) 287 #define bus_space_read_stream_1(t,h,o) (h).bsrs1((t), &(h), (o)) 288 #define bus_space_read_stream_2(t,h,o) (h).bsrs2((t), &(h), (o)) 289 #define bus_space_read_stream_4(t,h,o) (h).bsrs4((t), &(h), (o)) 290 291 #if 0 /* Cause a link error for bus_space_read_8 */ 292 #define bus_space_read_8(t, h, o) !!! bus_space_read_8 unimplemented !!! 293 #define bus_space_read_stream_8(t, h, o) \ 294 !!! bus_space_read_stream_8 unimplemented !!! 295 #endif 296 297 /* 298 * void bus_space_read_multi_N __P((bus_space_tag_t tag, 299 * bus_space_handle_t bsh, bus_size_t offset, 300 * u_intN_t *addr, size_t count)); 301 * 302 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 303 * described by tag/handle/offset and copy into buffer provided. 304 */ 305 306 void mac68k_bsrm1 __P((bus_space_tag_t t, bus_space_handle_t *h, 307 bus_size_t o, u_int8_t *a, size_t c)); 308 void mac68k_bsrm1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 309 bus_size_t o, u_int8_t *a, size_t c)); 310 void mac68k_bsrm2 __P((bus_space_tag_t t, bus_space_handle_t *h, 311 bus_size_t o, u_int16_t *a, size_t c)); 312 void mac68k_bsrm2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 313 bus_size_t o, u_int16_t *a, size_t c)); 314 void mac68k_bsrm2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 315 bus_size_t o, u_int16_t *a, size_t c)); 316 void mac68k_bsrms2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 317 bus_size_t o, u_int16_t *a, size_t c)); 318 void mac68k_bsrm4 __P((bus_space_tag_t t, bus_space_handle_t *h, 319 bus_size_t o, u_int32_t *a, size_t c)); 320 void mac68k_bsrms4 __P((bus_space_tag_t t, bus_space_handle_t *h, 321 bus_size_t o, u_int32_t *a, size_t c)); 322 void mac68k_bsrm4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 323 bus_size_t o, u_int32_t *a, size_t c)); 324 void mac68k_bsrm4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 325 bus_size_t o, u_int32_t *a, size_t c)); 326 void mac68k_bsrms4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 327 bus_size_t o, u_int32_t *a, size_t c)); 328 329 #if defined(DIAGNOSTIC) 330 #define bus_space_read_multi_1(t, h, o, a, c) do { \ 331 if ((c) == 0) \ 332 panic("bus_space_read_multi_1 called with zero count."); \ 333 (h).bsrm1(t,&(h),o,a,c); } while (0) 334 #define bus_space_read_multi_2(t, h, o, a, c) do { \ 335 if ((c) == 0) \ 336 panic("bus_space_read_multi_2 called with zero count."); \ 337 (h).bsrm2(t,&(h),o,a,c); } while (0) 338 #define bus_space_read_multi_4(t, h, o, a, c) do { \ 339 if ((c) == 0) \ 340 panic("bus_space_read_multi_4 called with zero count."); \ 341 (h).bsrm4(t,&(h),o,a,c); } while (0) 342 #define bus_space_read_multi_stream_1(t, h, o, a, c) do { \ 343 if ((c) == 0) \ 344 panic("bus_space_read_multi_stream_1 called with count=0."); \ 345 (h).bsrms1(t,&(h),o,a,c); } while (0) 346 #define bus_space_read_multi_stream_2(t, h, o, a, c) do { \ 347 if ((c) == 0) \ 348 panic("bus_space_read_multi_stream_2 called with count=0."); \ 349 (h).bsrms2(t,&(h),o,a,c); } while (0) 350 #define bus_space_read_multi_stream_4(t, h, o, a, c) do { \ 351 if ((c) == 0) \ 352 panic("bus_space_read_multi_stream_4 called with count=0."); \ 353 (h).bsrms4(t,&(h),o,a,c); } while (0) 354 #else 355 #define bus_space_read_multi_1(t, h, o, a, c) \ 356 do { if (c) (h).bsrm1(t, &(h), o, a, c); } while (0) 357 #define bus_space_read_multi_2(t, h, o, a, c) \ 358 do { if (c) (h).bsrm2(t, &(h), o, a, c); } while (0) 359 #define bus_space_read_multi_4(t, h, o, a, c) \ 360 do { if (c) (h).bsrm4(t, &(h), o, a, c); } while (0) 361 #define bus_space_read_multi_stream_1(t, h, o, a, c) \ 362 do { if (c) (h).bsrms1(t, &(h), o, a, c); } while (0) 363 #define bus_space_read_multi_stream_2(t, h, o, a, c) \ 364 do { if (c) (h).bsrms2(t, &(h), o, a, c); } while (0) 365 #define bus_space_read_multi_stream_4(t, h, o, a, c) \ 366 do { if (c) (h).bsrms4(t, &(h), o, a, c); } while (0) 367 #endif 368 369 #if 0 /* Cause a link error for bus_space_read_multi_8 */ 370 #define bus_space_read_multi_8 !!! bus_space_read_multi_8 unimplemented !!! 371 #define bus_space_read_multi_stream_8 \ 372 !!! bus_space_read_multi_stream_8 unimplemented !!! 373 #endif 374 375 /* 376 * void bus_space_read_region_N __P((bus_space_tag_t tag, 377 * bus_space_handle_t bsh, bus_size_t offset, 378 * u_intN_t *addr, size_t count)); 379 * 380 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 381 * described by tag/handle and starting at `offset' and copy into 382 * buffer provided. 383 */ 384 385 void mac68k_bsrr1 __P((bus_space_tag_t t, bus_space_handle_t *h, 386 bus_size_t o, u_int8_t *a, size_t c)); 387 void mac68k_bsrr1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 388 bus_size_t o, u_int8_t *a, size_t c)); 389 void mac68k_bsrr2 __P((bus_space_tag_t t, bus_space_handle_t *h, 390 bus_size_t o, u_int16_t *a, size_t c)); 391 void mac68k_bsrr2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 392 bus_size_t o, u_int16_t *a, size_t c)); 393 void mac68k_bsrr2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 394 bus_size_t o, u_int16_t *a, size_t c)); 395 void mac68k_bsrrs2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 396 bus_size_t o, u_int16_t *a, size_t c)); 397 void mac68k_bsrr4 __P((bus_space_tag_t t, bus_space_handle_t *h, 398 bus_size_t o, u_int32_t *a, size_t c)); 399 void mac68k_bsrr4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 400 bus_size_t o, u_int32_t *a, size_t c)); 401 void mac68k_bsrr4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 402 bus_size_t o, u_int32_t *a, size_t c)); 403 void mac68k_bsrrs4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 404 bus_size_t o, u_int32_t *a, size_t c)); 405 406 #if defined(DIAGNOSTIC) 407 #define bus_space_read_region_1(t, h, o, a, c) do { \ 408 if ((c) == 0) \ 409 panic("bus_space_read_region_1 called with zero count."); \ 410 (h).bsrr1(t,&(h),o,a,c); } while (0) 411 #define bus_space_read_region_2(t, h, o, a, c) do { \ 412 if ((c) == 0) \ 413 panic("bus_space_read_region_2 called with zero count."); \ 414 (h).bsrr2(t,&(h),o,a,c); } while (0) 415 #define bus_space_read_region_4(t, h, o, a, c) do { \ 416 if ((c) == 0) \ 417 panic("bus_space_read_region_4 called with zero count."); \ 418 (h).bsrr4(t,&(h),o,a,c); } while (0) 419 #define bus_space_read_region_stream_1(t, h, o, a, c) do { \ 420 if ((c) == 0) \ 421 panic("bus_space_read_region_stream_1 called with count=0."); \ 422 (h).bsrrs1(t,&(h),o,a,c); } while (0) 423 #define bus_space_read_region_stream_2(t, h, o, a, c) do { \ 424 if ((c) == 0) \ 425 panic("bus_space_read_region_stream_2 called with count=0."); \ 426 (h).bsrrs2(t,&(h),o,a,c); } while (0) 427 #define bus_space_read_region_stream_4(t, h, o, a, c) do { \ 428 if ((c) == 0) \ 429 panic("bus_space_read_region_stream_4 called with count=0."); \ 430 (h).bsrrs4(t,&(h),o,a,c); } while (0) 431 #else 432 #define bus_space_read_region_1(t, h, o, a, c) \ 433 do { if (c) (h).bsrr1(t,&(h),o,a,c); } while (0) 434 #define bus_space_read_region_2(t, h, o, a, c) \ 435 do { if (c) (h).bsrr2(t,&(h),o,a,c); } while (0) 436 #define bus_space_read_region_4(t, h, o, a, c) \ 437 do { if (c) (h).bsrr4(t,&(h),o,a,c); } while (0) 438 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 439 do { if (c) (h).bsrrs1(t,&(h),o,a,c); } while (0) 440 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 441 do { if (c) (h).bsrrs2(t,&(h),o,a,c); } while (0) 442 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 443 do { if (c) (h).bsrrs4(t,&(h),o,a,c); } while (0) 444 #endif 445 446 #if 0 /* Cause a link error for bus_space_read_region_8 */ 447 #define bus_space_read_region_8 !!! bus_space_read_region_8 unimplemented !!! 448 #define bus_space_read_region_stream_8 \ 449 !!! bus_space_read_region_stream_8 unimplemented !!! 450 #endif 451 452 /* 453 * void bus_space_write_N __P((bus_space_tag_t tag, 454 * bus_space_handle_t bsh, bus_size_t offset, 455 * u_intN_t value)); 456 * 457 * Write the 1, 2, 4, or 8 byte value `value' to bus space 458 * described by tag/handle/offset. 459 */ 460 461 void mac68k_bsw1 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 462 bus_size_t offset, u_int8_t v)); 463 void mac68k_bsw1_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 464 bus_size_t offset, u_int8_t v)); 465 void mac68k_bsw2 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 466 bus_size_t offset, u_int16_t v)); 467 void mac68k_bsw2_swap __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 468 bus_size_t offset, u_int16_t v)); 469 void mac68k_bsw2_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 470 bus_size_t offset, u_int16_t v)); 471 void mac68k_bsws2_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 472 bus_size_t offset, u_int16_t v)); 473 void mac68k_bsw4 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 474 bus_size_t offset, u_int32_t v)); 475 void mac68k_bsw4_swap __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 476 bus_size_t offset, u_int32_t v)); 477 void mac68k_bsw4_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 478 bus_size_t offset, u_int32_t v)); 479 void mac68k_bsws4_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 480 bus_size_t offset, u_int32_t v)); 481 482 #define bus_space_write_1(t, h, o, v) (h).bsw1(t, &(h), o, v) 483 #define bus_space_write_2(t, h, o, v) (h).bsw2(t, &(h), o, v) 484 #define bus_space_write_4(t, h, o, v) (h).bsw4(t, &(h), o, v) 485 #define bus_space_write_stream_1(t, h, o, v) (h).bsws1(t, &(h), o, v) 486 #define bus_space_write_stream_2(t, h, o, v) (h).bsws2(t, &(h), o, v) 487 #define bus_space_write_stream_4(t, h, o, v) (h).bsws4(t, &(h), o, v) 488 489 #if 0 /* Cause a link error for bus_space_write_8 */ 490 #define bus_space_write_8 !!! bus_space_write_8 not implemented !!! 491 #define bus_space_write_stream_8 \ 492 !!! bus_space_write_stream_8 not implemented !!! 493 #endif 494 495 /* 496 * void bus_space_write_multi_N __P((bus_space_tag_t tag, 497 * bus_space_handle_t bsh, bus_size_t offset, 498 * const u_intN_t *addr, size_t count)); 499 * 500 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer 501 * provided to bus space described by tag/handle/offset. 502 */ 503 504 void mac68k_bswm1 __P((bus_space_tag_t t, bus_space_handle_t *h, 505 bus_size_t o, const u_int8_t *a, size_t c)); 506 void mac68k_bswm1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 507 bus_size_t o, const u_int8_t *a, size_t c)); 508 void mac68k_bswm2 __P((bus_space_tag_t t, bus_space_handle_t *h, 509 bus_size_t o, const u_int16_t *a, size_t c)); 510 void mac68k_bswm2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 511 bus_size_t o, const u_int16_t *a, size_t c)); 512 void mac68k_bswm2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 513 bus_size_t o, const u_int16_t *a, size_t c)); 514 void mac68k_bswms2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 515 bus_size_t o, const u_int16_t *a, size_t c)); 516 void mac68k_bswm4 __P((bus_space_tag_t t, bus_space_handle_t *h, 517 bus_size_t o, const u_int32_t *a, size_t c)); 518 void mac68k_bswm4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 519 bus_size_t o, const u_int32_t *a, size_t c)); 520 void mac68k_bswm4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 521 bus_size_t o, const u_int32_t *a, size_t c)); 522 void mac68k_bswms4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 523 bus_size_t o, const u_int32_t *a, size_t c)); 524 525 #if defined(DIAGNOSTIC) 526 #define bus_space_write_multi_1(t, h, o, a, c) do { \ 527 if ((c) == 0) \ 528 panic("bus_space_write_multi_1 called with zero count."); \ 529 (h).bswm1(t,&(h),o,a,c); } while (0) 530 #define bus_space_write_multi_2(t, h, o, a, c) do { \ 531 if ((c) == 0) \ 532 panic("bus_space_write_multi_2 called with zero count."); \ 533 (h).bswm2(t,&(h),o,a,c); } while (0) 534 #define bus_space_write_multi_4(t, h, o, a, c) do { \ 535 if ((c) == 0) \ 536 panic("bus_space_write_multi_4 called with zero count."); \ 537 (h).bswm4(t,&(h),o,a,c); } while (0) 538 #define bus_space_write_multi_stream_1(t, h, o, a, c) do { \ 539 if ((c) == 0) \ 540 panic("bus_space_write_multi_stream_1 called with count=0."); \ 541 (h).bswms1(t,&(h),o,a,c); } while (0) 542 #define bus_space_write_multi_stream_2(t, h, o, a, c) do { \ 543 if ((c) == 0) \ 544 panic("bus_space_write_multi_stream_2 called with count=0."); \ 545 (h).bswms2(t,&(h),o,a,c); } while (0) 546 #define bus_space_write_multi_stream_4(t, h, o, a, c) do { \ 547 if ((c) == 0) \ 548 panic("bus_space_write_multi_stream_4 called with count=0."); \ 549 (h).bswms4(t,&(h),o,a,c); } while (0) 550 #else 551 #define bus_space_write_multi_1(t, h, o, a, c) \ 552 do { if (c) (h).bswm1(t, &(h), o, a, c); } while (0) 553 #define bus_space_write_multi_2(t, h, o, a, c) \ 554 do { if (c) (h).bswm2(t, &(h), o, a, c); } while (0) 555 #define bus_space_write_multi_4(t, h, o, a, c) \ 556 do { if (c) (h).bswm4(t, &(h), o, a, c); } while (0) 557 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 558 do { if (c) (h).bswms1(t, &(h), o, a, c); } while (0) 559 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 560 do { if (c) (h).bswms2(t, &(h), o, a, c); } while (0) 561 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 562 do { if (c) (h).bswms4(t, &(h), o, a, c); } while (0) 563 #endif 564 565 #if 0 /* Cause a link error for bus_space_write_8 */ 566 #define bus_space_write_multi_8(t, h, o, a, c) \ 567 !!! bus_space_write_multi_8 unimplimented !!! 568 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 569 !!! bus_space_write_multi_stream_8 unimplimented !!! 570 #endif 571 572 /* 573 * void bus_space_write_region_N __P((bus_space_tag_t tag, 574 * bus_space_handle_t bsh, bus_size_t offset, 575 * const u_intN_t *addr, size_t count)); 576 * 577 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided 578 * to bus space described by tag/handle starting at `offset'. 579 */ 580 581 void mac68k_bswr1 __P((bus_space_tag_t t, bus_space_handle_t *h, 582 bus_size_t o, const u_int8_t *a, size_t c)); 583 void mac68k_bswr1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 584 bus_size_t o, const u_int8_t *a, size_t c)); 585 void mac68k_bswr2 __P((bus_space_tag_t t, bus_space_handle_t *h, 586 bus_size_t o, const u_int16_t *a, size_t c)); 587 void mac68k_bswr2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 588 bus_size_t o, const u_int16_t *a, size_t c)); 589 void mac68k_bswr2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 590 bus_size_t o, const u_int16_t *a, size_t c)); 591 void mac68k_bswrs2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 592 bus_size_t o, const u_int16_t *a, size_t c)); 593 void mac68k_bswr4 __P((bus_space_tag_t t, bus_space_handle_t *h, 594 bus_size_t o, const u_int32_t *a, size_t c)); 595 void mac68k_bswr4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 596 bus_size_t o, const u_int32_t *a, size_t c)); 597 void mac68k_bswr4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 598 bus_size_t o, const u_int32_t *a, size_t c)); 599 void mac68k_bswrs4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 600 bus_size_t o, const u_int32_t *a, size_t c)); 601 602 #if defined(DIAGNOSTIC) 603 #define bus_space_write_region_1(t, h, o, a, c) do { \ 604 if ((c) == 0) \ 605 panic("bus_space_write_region_1 called with zero count."); \ 606 (h).bswr1(t,&(h),o,a,c); } while (0) 607 #define bus_space_write_region_2(t, h, o, a, c) do { \ 608 if ((c) == 0) \ 609 panic("bus_space_write_region_2 called with zero count."); \ 610 (h).bswr2(t,&(h),o,a,c); } while (0) 611 #define bus_space_write_region_4(t, h, o, a, c) do { \ 612 if ((c) == 0) \ 613 panic("bus_space_write_region_4 called with zero count."); \ 614 (h).bswr4(t,&(h),o,a,c); } while (0) 615 #define bus_space_write_region_stream_1(t, h, o, a, c) do { \ 616 if ((c) == 0) \ 617 panic("bus_space_write_region_stream_1 called with count=0."); \ 618 (h).bswrs1(t,&(h),o,a,c); } while (0) 619 #define bus_space_write_region_stream_2(t, h, o, a, c) do { \ 620 if ((c) == 0) \ 621 panic("bus_space_write_region_stream_2 called with count=0."); \ 622 (h).bswrs2(t,&(h),o,a,c); } while (0) 623 #define bus_space_write_region_stream_4(t, h, o, a, c) do { \ 624 if ((c) == 0) \ 625 panic("bus_space_write_region_stream_4 called with count=0."); \ 626 (h).bswrs4(t,&(h),o,a,c); } while (0) 627 #else 628 #define bus_space_write_region_1(t, h, o, a, c) \ 629 do { if (c) (h).bswr1(t,&(h),o,a,c); } while (0) 630 #define bus_space_write_region_2(t, h, o, a, c) \ 631 do { if (c) (h).bswr2(t,&(h),o,a,c); } while (0) 632 #define bus_space_write_region_4(t, h, o, a, c) \ 633 do { if (c) (h).bswr4(t,&(h),o,a,c); } while (0) 634 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 635 do { if (c) (h).bswrs1(t,&(h),o,a,c); } while (0) 636 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 637 do { if (c) (h).bswrs2(t,&(h),o,a,c); } while (0) 638 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 639 do { if (c) (h).bswrs4(t,&(h),o,a,c); } while (0) 640 #endif 641 642 #if 0 /* Cause a link error for bus_space_write_region_8 */ 643 #define bus_space_write_region_8 \ 644 !!! bus_space_write_region_8 unimplemented !!! 645 #define bus_space_write_region_stream_8 \ 646 !!! bus_space_write_region_stream_8 unimplemented !!! 647 #endif 648 649 /* 650 * void bus_space_set_multi_N __P((bus_space_tag_t tag, 651 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, 652 * size_t count)); 653 * 654 * Write the 1, 2, 4, or 8 byte value `val' to bus space described 655 * by tag/handle/offset `count' times. 656 */ 657 658 void mac68k_bssm1 __P((bus_space_tag_t t, bus_space_handle_t *h, 659 bus_size_t o, u_int8_t v, size_t c)); 660 void mac68k_bssm1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 661 bus_size_t o, u_int8_t v, size_t c)); 662 void mac68k_bssm2 __P((bus_space_tag_t t, bus_space_handle_t *h, 663 bus_size_t o, u_int16_t v, size_t c)); 664 void mac68k_bssm2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 665 bus_size_t o, u_int16_t v, size_t c)); 666 void mac68k_bssm2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 667 bus_size_t o, u_int16_t v, size_t c)); 668 void mac68k_bssm4 __P((bus_space_tag_t t, bus_space_handle_t *h, 669 bus_size_t o, u_int32_t v, size_t c)); 670 void mac68k_bssm4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 671 bus_size_t o, u_int32_t v, size_t c)); 672 void mac68k_bssm4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 673 bus_size_t o, u_int32_t v, size_t c)); 674 675 #if defined(DIAGNOSTIC) 676 #define bus_space_set_multi_1(t, h, o, val, c) do { \ 677 if ((c) == 0) \ 678 panic("bus_space_set_multi_1 called with zero count."); \ 679 (h).bssm1(t,&(h),o,val,c); } while (0) 680 #define bus_space_set_multi_2(t, h, o, val, c) do { \ 681 if ((c) == 0) \ 682 panic("bus_space_set_multi_2 called with zero count."); \ 683 (h).bssm2(t,&(h),o,val,c); } while (0) 684 #define bus_space_set_multi_4(t, h, o, val, c) do { \ 685 if ((c) == 0) \ 686 panic("bus_space_set_multi_4 called with zero count."); \ 687 (h).bssm4(t,&(h),o,val,c); } while (0) 688 #else 689 #define bus_space_set_multi_1(t, h, o, val, c) \ 690 do { if (c) (h).bssm1(t,&(h),o,val,c); } while (0) 691 #define bus_space_set_multi_2(t, h, o, val, c) \ 692 do { if (c) (h).bssm2(t,&(h),o,val,c); } while (0) 693 #define bus_space_set_multi_4(t, h, o, val, c) \ 694 do { if (c) (h).bssm4(t,&(h),o,val,c); } while (0) 695 #endif 696 697 #if 0 /* Cause a link error for bus_space_set_multi_8 */ 698 #define bus_space_set_multi_8 \ 699 !!! bus_space_set_multi_8 unimplemented !!! 700 #endif 701 702 /* 703 * void bus_space_set_region_N __P((bus_space_tag_t tag, 704 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, 705 * size_t count)); 706 * 707 * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described 708 * by tag/handle starting at `offset'. 709 */ 710 711 void mac68k_bssr1 __P((bus_space_tag_t t, bus_space_handle_t *h, 712 bus_size_t o, u_int8_t v, size_t c)); 713 void mac68k_bssr1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 714 bus_size_t o, u_int8_t v, size_t c)); 715 void mac68k_bssr2 __P((bus_space_tag_t t, bus_space_handle_t *h, 716 bus_size_t o, u_int16_t v, size_t c)); 717 void mac68k_bssr2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 718 bus_size_t o, u_int16_t v, size_t c)); 719 void mac68k_bssr2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 720 bus_size_t o, u_int16_t v, size_t c)); 721 void mac68k_bssr4 __P((bus_space_tag_t t, bus_space_handle_t *h, 722 bus_size_t o, u_int32_t v, size_t c)); 723 void mac68k_bssr4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 724 bus_size_t o, u_int32_t v, size_t c)); 725 void mac68k_bssr4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 726 bus_size_t o, u_int32_t v, size_t c)); 727 728 #if defined(DIAGNOSTIC) 729 #define bus_space_set_region_1(t, h, o, val, c) do { \ 730 if ((c) == 0) \ 731 panic("bus_space_set_region_1 called with zero count."); \ 732 (h).bssr1(t,&(h),o,val,c); } while (0) 733 #define bus_space_set_region_2(t, h, o, val, c) do { \ 734 if ((c) == 0) \ 735 panic("bus_space_set_region_2 called with zero count."); \ 736 (h).bssr2(t,&(h),o,val,c); } while (0) 737 #define bus_space_set_region_4(t, h, o, val, c) do { \ 738 if ((c) == 0) \ 739 panic("bus_space_set_region_4 called with zero count."); \ 740 (h).bssr4(t,&(h),o,val,c); } while (0) 741 #else 742 #define bus_space_set_region_1(t, h, o, val, c) \ 743 do { if (c) (h).bssr1(t,&(h),o,val,c); } while (0) 744 #define bus_space_set_region_2(t, h, o, val, c) \ 745 do { if (c) (h).bssr2(t,&(h),o,val,c); } while (0) 746 #define bus_space_set_region_4(t, h, o, val, c) \ 747 do { if (c) (h).bssr4(t,&(h),o,val,c); } while (0) 748 #endif 749 750 #if 0 /* Cause a link error for bus_space_set_region_8 */ 751 #define bus_space_set_region_8 \ 752 !!! bus_space_set_region_8 unimplemented !!! 753 #endif 754 755 /* 756 * void bus_space_copy_N __P((bus_space_tag_t tag, 757 * bus_space_handle_t bsh1, bus_size_t off1, 758 * bus_space_handle_t bsh2, bus_size_t off2, 759 * size_t count)); 760 * 761 * Copy `count' 1, 2, 4, or 8 byte values from bus space starting 762 * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2. 763 */ 764 765 #define __MAC68K_copy_region_N(BYTES) \ 766 static __inline void __CONCAT(bus_space_copy_region_,BYTES) \ 767 __P((bus_space_tag_t, \ 768 bus_space_handle_t bsh1, bus_size_t off1, \ 769 bus_space_handle_t bsh2, bus_size_t off2, \ 770 bus_size_t count)); \ 771 \ 772 static __inline void \ 773 __CONCAT(bus_space_copy_region_,BYTES)(t, h1, o1, h2, o2, c) \ 774 bus_space_tag_t t; \ 775 bus_space_handle_t h1, h2; \ 776 bus_size_t o1, o2, c; \ 777 { \ 778 bus_size_t o; \ 779 \ 780 if ((h1.base + o1) >= (h2.base + o2)) { \ 781 /* src after dest: copy forward */ \ 782 for (o = 0; c != 0; c--, o += BYTES) \ 783 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ 784 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ 785 } else { \ 786 /* dest after src: copy backwards */ \ 787 for (o = (c - 1) * BYTES; c != 0; c--, o -= BYTES) \ 788 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ 789 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ 790 } \ 791 } 792 __MAC68K_copy_region_N(1) 793 __MAC68K_copy_region_N(2) 794 __MAC68K_copy_region_N(4) 795 #if 0 /* Cause a link error for bus_space_copy_8 */ 796 #define bus_space_copy_8 \ 797 !!! bus_space_copy_8 unimplemented !!! 798 #endif 799 800 #undef __MAC68K_copy_region_N 801 802 /* 803 * Bus read/write barrier methods. 804 * 805 * void bus_space_barrier __P((bus_space_tag_t tag, 806 * bus_space_handle_t bsh, bus_size_t offset, 807 * bus_size_t len, int flags)); 808 * 809 * Note: the 680x0 does not currently require barriers, but we must 810 * provide the flags to MI code. 811 */ 812 #define bus_space_barrier(t, h, o, l, f) \ 813 ((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f))) 814 #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */ 815 #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */ 816 817 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 818 819 #include <m68k/bus_dma.h> 820 821 #endif /* _MAC68K_BUS_H_ */ 822
Indexes created Wed Oct 22 13:09:56 GMT 2025